Granted Patent
Utility
US 5,334,744 · App. 07/995,861
Isomerisation process
Inventors:
Ernest Stephen Cleugh, David J. Milner
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Dec 23, 1992
Inventors
Ernest Stephen Cleugh
David J. Milner
Assignee (at issue)
Zeneca Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.